Listar Artículo científico por fecha de publicación

    • Identifying, attributing, and overcoming common data quality issues of manned station observations 

      Hunziker, Stefan; Gubler, Stefanie; Calle, J.; Moreno, Isabel; Andrade, Marcos; Velarde, Fernando; Ticona, Laura; Carrasco, Gualberto; Castellón, Yaruska; Oria, Clara; Croci-Maspoli, M.; Konzelmann, Thomas; Rohrer, M.; Brönnimann, Stefan

      (John Wiley and Sons Ltd, 2017-03-20)
      Acceso abierto
      In situ climatological observations are essential for studies related to climate trends and extreme events. However, in many regions of the globe, observational records are affected by a large number of data quality issues. ...

    • Hydrological modeling of the Peruvian-Ecuadorian Amazon Basin using GPM-IMERG satellite-based precipitation dataset 

      Zubieta, R.; Getirana, A.; Espinoza, J.C.; Lavado-Casimiro, W.; Aragon, L.

      (Copernicus GmbH, 2017-07)
      Acceso abierto
      In the last two decades, rainfall estimates provided by the Tropical Rainfall Measurement Mission (TRMM) have proven applicable in hydrological studies. The Global Precipitation Measurement (GPM) mission, which provides ...

    • Regional maximum rainfall analysis using L-moments at the Titicaca Lake drainage, Peru 

      Fernández Palomino, Carlos; Lavado-Casimiro, W.

      (Springer-Verlag Wien, 2017-08)
      Acceso cerrado
      The present study investigates the application of the index flood L-moments-based regional frequency analysis procedure (RFA-LM) to the annual maximum 24-h rainfall (AM) of 33 rainfall gauge stations (RGs) to estimate ...

    • Structural signatures of water-soluble organic aerosols in contrasting environments in South America and Western Europe 

      Duarte, R.M.B.O.; Matos, J.T.V.; Paula, A.S.; Lopes, S.P.; Pereira, G.; Vasconcellos, P.; Gioda, A.; Carreira, R.; Silva, A.M.S; Duarte, A.C.; Smichowski, P.; Rojas, N.; Sánchez Ccoyllo, Odón

      (Elsevier B.V., 2017-08)
      Acceso cerrado
      This study describes and compares the key structural units present in water-soluble organic carbon (WSOC) fraction of atmospheric aerosols collected in different South American (Colombia – Medellín and Bogotá, Peru – Lima, ...

    • Hydroclimatic change disparity of Peruvian Pacific drainage catchments 

      Rau, P.; Bourrel, L.; Labat, D.; Frappart, F.; Ruelland, D.; Lavado-Casimiro, W.; Dewitte, Boris; Felipe-Obando, Oscar

      (Springer-Verlag Wien, 2017-08-23)
      Acceso abierto
      Peruvian Pacific drainage catchments only benefit from 2% of the total national available freshwater while they concentrate almost 50% of the population of the country. This situation is likely to lead a severe water ...

    • Comparative ground validation of IMERG and TMPA at variable spatiotemporal scales in the tropical Andes 

      Manz, B.; Páez-Bimos, S.; Horna, N.; Buytaert, W.; Ochoa-Tocachi, v; Lavado-Casimiro, W.; Willems, B.

      (American Meteorological Society, 2017-09)
      Acceso abierto
      An initial ground validation of the Integrated Multisatellite Retrievals for GPM (IMERG) Day-1 product from March 2014 to August 2015 is presented for the tropical Andes. IMERG was evaluated along with the Tropical Rainfall ...

    • Rainfall along the coast of Peru during strong El Niño events 

      Sanabria Quispe, Janeet; Bourrel, L.; Dewitte, Boris; Frappart, F.; Rau, P.; Solis, Olimpio

      (Royal Meteorological Society, 2017-09-26)
      Acceso abierto
      While, climatologically, most areas of the Peruvian Pacific region do not experience precipitation, they can be affected by heavy rain and flooding during strong El Niño events with severe socio-economic impacts. Only four ...

    • Downscaling climate projections for the Peruvian coastal Chancay-Huaral Basin to support river discharge modeling with WEAP 

      Olsson, T.; Kämäräinen, M.; Santos, Darwin; Seitola, T.; Tuomenvirta, H.; Haavisto, R.; Lavado-Casimiro, W.

      (Elsevier B.V., 2017-10)
      Acceso abierto
      Study region The Chancay-Huaral (CH) coastal river basin in the Lima Region, Peru, between the Pacific Ocean and the Andean Cordillera. Study focus Climate change impacts on annual and monthly discharges in the CH Basin ...

    • The freezing level in the tropical Andes, Peru: An indicator for present and future glacier extents 

      Schauwecker, S.; Rohrer, M.; Huggel, C.; Endries, J. L.; Montoya, N.; Neukom, R.; Perry, B.; Salzmann, N.; Schwarb, M.; Suarez, Wilson

      (Wiley-Blackwell, 2017-10)
      Acceso abierto
      Along with air temperatures, the freezing level height (FLH) has risen over the last decades. The mass balance of tropical glaciers in Peru is highly sensitive to a rise in the FLH, mainly due to a decrease in accumulation ...

    • The influence of station density on climate data homogenization 

      Gubler, S.; Hunziker, Stefan; Begert, M.; Croci-Maspoli, M.; Konzelmann, Thomas; Brönnimann, Stefan; Schwierz, C.; Oria, Clara; Rosas, Gabriela

      (John Wiley and Sons Ltd, 2017-11)
      Relative homogenization methods assume that measurements of nearby stations experience similar climate signals and rely therefore on dense station networks with high-temporal correlations. In developing countries such as ...

    • Particulate matter levels in a South American megacity: the metropolitan area of Lima-Callao, Peru 

      Silva, José; Rojas Quincho, Jhojan Pool; Norabuena Espinoza, Magdalena; Molina, Carolina; Toro, Richard; Leiva-Guzmán, Manuel A.

      (Springer, 2017-11-13)
      Acceso cerrado
      The temporal and spatial trends in the variability of PM10 and PM2.5 from 2010 to 2015 in the metropolitan area of Lima-Callao, Peru, are studied and interpreted in this work. The mean annual concentrations of PM10 and ...

    • Effects of undetected data quality issues on climatological analyses 

      Hunziker, Stefan; Brönnimann, Stefan; Calle, J.; Moreno, Isabel; Andrade, Marcos; Ticona, Laura; Huerta, Adrian; Lavado-Casimiro, W.

      (Copernicus GmbH, 2018-01)
      Acceso abierto
      Systematic data quality issues may occur at various stages of the data generation process. They may affect large fractions of observational datasets and remain largely undetected with standard data quality control. This ...

    • Impacts of different ENSO flavors and tropical Pacific convection variability (ITCZ, SPCZ) on austral summer rainfall in South America, with a focus on Peru 

      Sulca, Juan; Takahashi, Ken; Espinoza, J.C.; Vuille, M.; Lavado-Casimiro, W.

      (John Wiley and Sons Ltd, 2018-01)
      Acceso abierto
      El Niño in the eastern and central Pacific has different impacts on the rainfall of South America, and the atmospheric pathways through the South Pacific Convergence Zone (SPCZ) and Inter-Tropical Convergence Zone (ITCZ) ...

    • Recent changes in monthly surface air temperature over Peru, 1964–2014 

      Vicente-Serrano, S.M.; López-Moreno, J.I.; Correa, Kris; Avalos, Grinia; Bazo, Juan; Azorín-Molina, C.; Domínguez-Castro, F.; Kenawy, A.E.

      (John Wiley and Sons Ltd, 2018-01)
      Embargado
      This study assessed changes in the maximum and minimum surface air temperatures across Peru during the period 1964–2014. For this purpose, we employed the most complete records of air temperature series that were also ...

    • Temporal variability and annual budget of inorganic dissolved matter in Andean Pacific Rivers located along a climate gradient from northern Ecuador to southern Peru 

      Moquet, J.S.; Guyot, J.L.; Morera, S.; Crave, A.; Rau, P.; Vauchel, P.; Lagane, C.; Sondag, F.; Lavado-Casimiro, W.; Pombosa, R.; Martinez, J.-M.

      (Elsevier Masson SAS, 2018-02)
      Acceso abierto
      In Ecuador and Peru, geochemical information from Pacific coastal rivers is limited and scarce. Here, we present an unedited database of major element concentrations from five HYBAM observatory stations monitored monthly ...

    • Assessing hydrological changes in a regulated river system over the last 90 years in Rimac Basin (Peru) 

      Vega-Jácome, Fiorella; Lavado-Casimiro, W.; Felipe-Obando, Oscar

      (Springer-Verlag Wien, 2018-04)
      Acceso abierto
      Hydrological changes were assessed considering possible changes in precipitation and regulation or hydraulic diversion projects developed in the basin since 1960s in terms of improving water supply of the Rimac River, which ...

    • Validation and analysis of UV radiation time series collected in different peruvian sites 

      Yamamoto, A.L.C.; Corrêa, M.P.; Ccoyllo, O.R.S.

      (Sociedade Brasileira de Meteorologia, 2018-06)
      Acceso abierto
      We evaluate a set of ultraviolet solar radiation (UVR) measurements collected in six locations in Peru: Ica, Tacna, Moquegua, Arequipa, Cajamarca and Marcapomacocha, whose altitudes vary from sea level to 4479 m. The ...

    • Radar-Observed Characteristics of Precipitation in the Tropical High Andes of Southern Peru and Bolivia 

      Endries, J. L.; Perry, L. B.; Yuter, S. E.; Seimon, Anton; Andrade, Marcos; Winkelmann, Ronald; Quispe, Nelson; Rado, Maxwell; Montoya, Nilton; Velarde, Fernando; Arias, S.

      (American Meteorological Society, 2018-07-06)
      This study used the first detailed radar measurements of the vertical structure of precipitation obtained in the central Andes of southern Peru and Bolivia to investigate the diurnal cycle and vertical structure of ...

    • Ozone and volatile organic compounds in the metropolitan area of Lima-Callao, Peru 

      Silva, José; Rojas Quincho, Jhojan Pool; Norabuena Espinoza, Magdalena; Seguel, Rodrigo J.

      (Springer, 2018-07-26)
      This study analyzes ozone formation in the metropolitan area of Lima-Callao as a function of meteorological patterns and the concentrations of nitrogen oxides and reactive organic gases. The study area is located on the ...

    • The 2017 coastal El Niño 

      Takahashi, Ken; Aliaga Nestares, Vannia; Avalos, Grinia; Bouchon, M.; Castro, Anabel; Cruzado, L.; Dewitte, Boris; Gutiérrez, B.; Lavado-Casimiro, W.; Marengo, José A.; Mosquera-Vásquez, K.; Quispe, Nelson

      (American Meteorological Society, 2018-08)
      Acceso abierto
      The original concept of El Niño consisted of anomalously high sea surface temperature and heavy rainfall along the arid northern coast of Peru (Carranza 1891; Carrillo 1893). The concept evolved into the El Niño–Southern ...